let treeData = [
    {
        name: '学习',
        children: [
            {
                name: "杂志",
                children: [
                    {
                        name: "电脑杂志",
                        children: [

                            { name: "大众软件书" }
                        ]
                    }, {
                        name: "学习电影",
                    }
                ]
            },
            {
                name: "纸质书"
            },
            {
                name: '电子书',
                children: [
                    {
                        name: '文学',
                        children: [
                            {
                                name: '茶馆'
                            },
                            {
                                name: '红与黑'
                            },
                            {
                                name: "傅雷家"
                            }
                        ]
                    }
                ]
            }

        ]
    },
    {
        name: '电影',
        children: [
            {
                name: '美国电影3'
            },
            {
                name: '日本电影'
            },
            {
                name: "23"
            }
        ]
    }
]